Pete Alonso
Pete Alonso
24-Year-Old First Baseman1B
New York Mets
2019 Fantasy Outlook
When factoring in his Arizona Fall League exploits, Alonso hit 42 home runs in 159 games last year, cementing himself as the top slugger in the minors. The 24-year-old first baseman has no problem squaring up elite velocity -- he took a 104-mph fastball out to center field in the Fall Stars game -- but can still be eaten up by good offspeed pitches. While the other top prospects expected to be called up in mid-to-late April, Vladimir Guerrero Jr. and Eloy Jimenez, project to be positive contributors in batting average and power right away, Alonso’s batting average will likely be closer to .230 than .270 in his first big-league season. That said, he has 80-grade power and should have no trouble posting big home run and RBI totals from day one. It is very rare that a R/R first base prospect emerges as a valuable dynasty-league asset, and the fact that Alonso has done so is a testament to his work ethic, which gets rave reviews. Read Past Outlooks
RANKSFrom Preseason
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$Signed a contract with the Mets in July of 2016 that includes a $909,200 signing bonus.
Puts power on display
1BNew York Mets
June 18, 2019
Alonso went 4-for-4 with two walks, a home run, two doubles, three runs scored and three RBI on Tuesday against the Braves.
Alonso reached base in each of his plate appearances while also notching three extra-base hits, highlighted by his two-run homer in the fourth inning. It was his 24th long ball of the season, and he's outpaced by only Christian Yelich across the majors. Alonso has shown no signs of slowing down of late, homering four times in his past 10 games. He's hitting .274/.359/.624 across 301 plate appearances for the campaign.
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Batting Stats
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Batting Order Slot Breakdown
vs Right-Handed Pitchers
vs RHP
vs Left-Handed Pitchers
vs LHP
Left/Right Batting Splits
Since 2017
No Stats
No Stats
Since 2017vs Left 1.159 75 11 8 18 0 .303 .387 .773
Since 2017vs Right .923 226 35 16 39 0 .264 .350 .574
2019vs Left 1.159 75 11 8 18 0 .303 .387 .773
2019vs Right .923 226 35 16 39 0 .264 .350 .574
2018vs Left 0 0 0 0 0 0 0 0 0
2018vs Right 0 0 0 0 0 0 0 0 0
2017vs Left 0 0 0 0 0 0 0 0 0
2017vs Right 0 0 0 0 0 0 0 0 0
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Home/Away Batting Splits
Since 2017
OPS at Home
OPS at Home
No Stats
No Stats
Since 2017Home .989 137 22 12 26 0 .246 .358 .632
Since 2017Away .977 164 24 12 31 0 .295 .360 .617
2019Home .989 137 22 12 26 0 .246 .358 .632
2019Away .977 164 24 12 31 0 .295 .360 .617
2018Home 0 0 0 0 0 0 0 0 0
2018Away 0 0 0 0 0 0 0 0 0
2017Home 0 0 0 0 0 0 0 0 0
2017Away 0 0 0 0 0 0 0 0 0
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Stat Review
How does Pete Alonso compare to other hitters?
This section compares his stats with all batting seasons from the previous three seasons (minimum 400 plate appearances)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity and Barrels/PA % are benchmarked against this season's data (min 100 PA) and Hard Hit Rate is benchmarked against last season's data (min 400 PA). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • BB/K
    Walk to strikeout ratio
  • BB Rate
    The percentage of plate appearances resulting in a walk.
  • K Rate
    The percentage of plate appearances resulting in a strikeout.
    Batting average on balls in play. Measures how many of a batter’s balls in play go for hits.
  • ISO
    Isolated Power. Slugging percentage minus batting average. A computation used to measure a batter's raw power.
  • AVG
    Batting average. Hits divided by at bats.
  • OBP
    On Base Percentage. A measure of how often a batters reaches base. Roughly equal to number of times on base divided by plate appearances.
  • SLG
    Slugging Percentage. A measure of the batting productivity of a hitter. It is calculated as total bases divided by at bats.
  • OPS
    On base plus slugging. THe sum of a batter's on-base percentage and slugging percentage.
  • wOBA
    Weighted on-base average. Measures a player's overall offensive contributions per plate appearance. wOBA combines all the different aspects of hitting into one metric, weighting each of them in proportion to their actual run value.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Hard Hit Rate
    A measure of contact quality from Sports Info Solutions. This stat explains what percentage of batted balls were hit hard vs. medium or soft.
  • Barrels/PA
    The percentage of plate appearances where a batter had a batted ball classified as a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
BB Rate
K Rate
Exit Velocity
90.9 mph
Hard Hit Rate
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Additional Stats
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Defensive Stats
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Stats Vs Upcoming Pitchers
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Recent RotoWire Articles Featuring Pete Alonso
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22 days ago
Erik Siegrist takes a step back and considers the long-term implications of the flood of promotions for prospects like Austin Riley that have happened through the first two months of the season.
Past Fantasy Outlooks
A fairly easy player to evaluate, Alonso has a couple very clear strengths, and a couple very clear weaknesses. He has huge raw power -- his .231 ISO, which ranked second in the Florida State League, represented his career low in that metric. Alonso is also excellent at making contact, relative to most power hitters. His 18.5 percent strikeout rate at High-A was a career worst, and he struck out just 14.9 percent of the time in a brief 11-game run at Double-A to close the season. However, the right-handed slugger has dramatic splits. He absolutely obliterates left-handed pitching but is pretty mediocre against righties, especially for a first baseman. Additionally, he is a subpar defender, even at first base. The Mets have a better internal option in Dominic Smith, who is basically big-league ready, yet the organization is still entertaining ideas of getting a veteran placeholder there. If they follow through with that, Alonso would be a distant third on the organizational depth chart. He is probably best suited for the short side of a platoon in the American League.
As a right-handed first baseman who has yet to play in a full-season league, Alonso will not be showing up on real life prospect lists anytime soon. However, he should already be on the radar of dynasty league owners. Double-plus raw power is his calling card. That power was always on display at Florida, leading the Mets to select him with the 64th overall pick in 2016. His .266 ISO and 184 wRC+ illustrate how much damage he did in his brief 30-game run in the New York-Penn League, and his .969 OPS would have easily led the league if he had enough plate appearances to qualify. Alonso's hit tool, particularly his ability to hit right-handed pitching, will be what makes or breaks his ability to profile as a cleanup-hitting everyday player. Despite his gaudy overall numbers, he hit just .262/.306/.415 with a 4:15 BB:K in 65 at-bats against righties. Elite power makes him worth a flier in deeper formats, and it should become clear in a year if he is still worth a roster spot.
More Fantasy News
Blasts 23rd homer
1BNew York Mets
June 15, 2019
Alonso went 2-for-4 with a three-run homer in an 8-7 win over the Cardinals on Saturday.
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Crushes homer No. 22
1BNew York Mets
June 11, 2019
Alonso went 1-for-3 with two runs scored, a three-run home run and two walks in Game 2 of Tuesday's doubleheader versus the Yankees.
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Clubs 21st homer
1BNew York Mets
June 8, 2019
Alonso went 1-for-3 with a walk and a solo home run in Saturday's 5-3 win over the Rockies.
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Mashes 20th homer
1BNew York Mets
June 5, 2019
Alonso went 2-for-4 with a solo home run in Tuesday's extra-inning loss to the Giants.
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Homers twice in loss
1BNew York Mets
May 30, 2019
Alonso went 3-for-4 with a pair of two-run homers in Wednesday's loss at Dodger Stadium.
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